Finding the Fourth Proportional to 222,636.72, 307,193.28 and 131,952.72

Step by Step Solution

1. Step 1: Write the proportion equation
   222,636.72 : 307,193.28 = 131,952.72 : x
2. Step 2: Convert to fraction form
   222,636.72/307,193.28 = 131,952.72/x
3. Step 3: Cross multiply
   222,636.72x = 307,193.28 × 131,952.72
4. Step 4: Simplify right side
   222,636.72x = 40,534,988,861.72
5. Step 5: Solve for x
   x = 40,534,988,861.72/222,636.72
6. Step 6: Final answer
   x = 182,067.85